The 1st digit is divided into 5 parts

Divide the 1st digit of the lottery numbers (1-74) into 5 parts:

No.1 range: 1 - 15

No.2 range: 16 - 30

No.3 range: 31 - 45

No.4 range: 46 - 60

No.5 range: 61 - 74